International Journal of Thermophysics

, Volume 1, Issue 1, pp 61–71

Standard enthalpies of formation of gaseous thorium, uranium, and plutonium oxides

  • D. W. Green

DOI: 10.1007/BF00506272

Cite this article as:
Green, D.W. Int J Thermophys (1980) 1: 61. doi:10.1007/BF00506272


Recently available spectroscopic data have been used to derive new values for the enthalpies of formation at 298.15 K of gaseous ThO, ThO2, UO, UO2, UO3, and PuO, and PuO2. These new values of δHf0(298.15 K) are in good agreement with previously recommended values for UO, UO2, and PuO, but not for the other molecules. Inconsistencies among evaluated thermodynamic data have been resolved for ThO (g) and UO3 (g). Recommended values are derived for PuO2 (g) and ThO2 (g); however, additional experimental work on these molecules is needed.

Key words

thorium uranium plutonium enthalpies of formation 

Copyright information

© Plenum Publishing Corporation 1980

Authors and Affiliations

  • D. W. Green
    • 1
  1. 1.Chemical Engineering DivisionArgonne National LaboratoryArgonneUSA

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